Quarterly report pursuant to Section 13 or 15(d)

Leases (Details)

v3.19.1
Leases (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Operating Lease Average Remaining Lease Term 10 years  
Operating Lease, Lease Income $ 15,100,000  
Operating Lease, Variable Lease Income $ 1,300,000  
Operating Lease, Weighted Average Remaining Lease Term 24 years  
Operating Lease, Right-of-Use Asset $ 2,337,000  
Operating Lease, Weighted Average Discount Rate, Percent 4.42%  
Operating Lease, Expense $ 51,000  
Other Liabilities 2,367,000 $ 0
Increase In Operating Lease Right Of Use Assets 100  
Increase In Operating Lease Liabilities $ 100  
Moline Facility [Member]    
Lessee Operating Lease Remaining Term Of Contract   10 years
Lessee, Operating Lease, Option to Extend   12 consecutive five-year renewal options
Silvis facility [Member]    
Lessee Operating Lease Remaining Term Of Contract   67 years
Lessee, Operating Lease, Option to Extend   no renewal options.